package com.bnz.dao;

import com.bnz.entity.Student;
import com.bnz.entity.StudentExample;
import java.util.List;

public interface StudentMapper {
    long countByExample(StudentExample example);

    int deleteByExample(StudentExample example);

    int deleteByPrimaryKey(Integer sid);

    int insert(Student row);

    int insertSelective(Student row);

    List<Student> selectByExample(StudentExample example);

    Student selectByPrimaryKey(Integer sid);

    int updateByExampleSelective( Student row,  StudentExample example);

    int updateByExample( Student row,  StudentExample example);

    int updateByPrimaryKeySelective(Student row);

    int updateByPrimaryKey(Student row);
}